Platform and version requirements: JVM (1.0), JS (1.1)

fun CharSequence.regionMatches(
    thisOffset: Int, 
    other: CharSequence, 
    otherOffset: Int, 
    length: Int, 
    ignoreCase: Boolean = false
): Boolean

Platform and version requirements: Native (1.3)

fun CharSequence.regionMatches(
    thisOffset: Int, 
    other: CharSequence, 
    otherOffset: Int, 
    length: Int, 
    ignoreCase: Boolean
): Boolean

Returns true if the specified range in this char sequence is equal to the specified range in another char sequence.

Parameters

thisOffset - the start offset in this char sequence of the substring to compare.

other - the string against a substring of which the comparison is performed.

otherOffset - the start offset in the other char sequence of the substring to compare.

length - the length of the substring to compare.

Platform and version requirements: JVM (1.0), Native (1.0)

fun String.regionMatches(
    thisOffset: Int, 
    other: String, 
    otherOffset: Int, 
    length: Int, 
    ignoreCase: Boolean = false
): Boolean

Returns true if the specified range in this string is equal to the specified range in another string.

Parameters

thisOffset - the start offset in this string of the substring to compare.

other - the string against a substring of which the comparison is performed.

otherOffset - the start offset in the other string of the substring to compare.

length - the length of the substring to compare.